CN210922835U - Power transformer multichannel vibration detection and analysis device - Google Patents
Power transformer multichannel vibration detection and analysis device Download PDFInfo
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- CN210922835U CN210922835U CN201921946945.7U CN201921946945U CN210922835U CN 210922835 U CN210922835 U CN 210922835U CN 201921946945 U CN201921946945 U CN 201921946945U CN 210922835 U CN210922835 U CN 210922835U
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Abstract
The utility model discloses a power transformer multichannel vibration detection and analysis device, include: the device comprises a shell, a supporting plate, an energy storage unit, a signal processing and acquiring unit and a panel assembly; wherein: the supporting plate is fixedly arranged at the bottom end of the interior of the shell; the energy storage unit and the signal processing and acquiring unit are both fixedly arranged on the supporting plate; the energy storage unit is electrically connected with the signal processing and collecting unit; the panel assembly includes: the device comprises a panel, a vibration signal input terminal, a USB interface and a display screen; the vibration signal input terminal, the USB interface and the display screen are electrically connected with the signal processing and collecting unit. The utility model discloses a device mainly is applicable to transformer vibration fault detection, and its shell adopts mould integrated into one piece, and not only light, anti falling ability reinforce, and device detectivity is high moreover, and it is accurate to measure, can analyze multichannel vibration signal time domain and frequency domain characteristic simultaneously, and locking vibration fault point position discovers the not hard up defect of transformer inner part.
Description
Technical Field
The utility model relates to a power equipment monitoring technology field, more specifically the utility model relates to a power transformer multichannel vibration detection and analysis device that says so.
Background
The transformer vibration measurement is taken as an important project of live detection, and is gradually emphasized by transformer manufacturers and power grid operation departments, and the vibration characteristics of the power transformer can find potential transformer faults in time. The vibration of the power transformer body is caused by vibration of the power transformer body (core, winding) and vibration of the cooling device. When the iron core is loosened due to the reduction of the iron core compression degree or the iron core is bent and deformed due to the dead weight of the silicon steel sheet, the magnetostriction is increased, so that the iron core vibration is increased, and the whole vibration of the transformer is increased. For power transformers with different capacities, the vibration and noise frequency spectrums of the box bodies of the power transformers are different due to different overall structures of the power transformers. The existing transformer vibration detection device has the advantages of single function, few measurement channels and poor anti-interference capability, and cannot meet the requirements of a field transformer vibration detection test.
Therefore, how to provide a power transformer multichannel vibration detection analysis device with strong anti-interference capability and suitable for field application is a problem that needs to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a power transformer multichannel vibration detection analytical equipment mainly is applicable to transformer vibration fault detection, and its shell adopts mould integrated into one piece, and not only light, anti falling ability reinforce install detectivity height moreover, and it is accurate to measure, can analyze multichannel vibration signal time domain and frequency domain characteristic simultaneously, and locking vibration fault point position discovers the not hard up defect of transformer inner part.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a power transformer multichannel vibration detection analytical equipment includes: the device comprises a shell, a supporting plate, an energy storage unit, a signal processing and acquiring unit and a panel assembly; wherein:
the supporting plate is fixedly arranged at the bottom end of the interior of the shell;
the energy storage unit and the signal processing and acquiring unit are both fixedly arranged above the supporting plate; the energy storage unit is electrically connected with the signal processing and collecting unit;
the panel assembly includes: the device comprises a panel, a vibration signal input terminal, a USB interface and a display screen; the vibration signal input terminal, the USB interface and the display screen are all arranged on the panel; and the vibration signal input terminal, the USB interface and the display screen are electrically connected with the signal processing and collecting unit.
Wherein, it is required to be noted that: the vibration signal input terminal is electrically connected with a vibration sensor on the power transformer through a coaxial cable; the casing adopts mould integrated into one piece to select for use ABS + PE material, not only can prevent the impact of external force, light in weight conveniently carries, convenient to operate and use moreover.
Has the advantages that: the vibration sensor is connected to a vibration signal input terminal through a coaxial cable, and the acquired vibration signal is transmitted to the signal processing and acquiring unit; the signal processing and collecting unit filters and amplifies the vibration signal, controls the gain and filtering range of the signal, and collects, processes and stores the conditioned signal; the display screen is used for displaying data, and the USB interface is used for exporting the data; the energy storage unit converts alternating current 220V into direct current 12V and supplies power to the whole device; the supporting plate fixes the energy storage unit and the signal processing and acquisition unit; the panel and the supporting plate are fixed on the machine shell, so that the stability of the device is ensured. The utility model discloses a modern electronic technology, data acquisition technique, graphic display and signal processing technique have been used multipurposely to the device, through detecting vibration signal, the inside not hard up defect of diagnosis transformer, confirm the fault point position, early warning in advance, defend suffering from in the bud.
Preferably, in the multichannel vibration detection and analysis device for the power transformer, 4 vibration signal input terminals are provided.
Preferably, in the multichannel vibration detection and analysis device for the power transformer, the signal processing and collecting unit collects, processes, analyzes and stores signals of 4 vibration signal input terminals at the same time.
Has the advantages that: 4 vibration signal input terminals are arranged, so that a measuring channel is added, the detection is more comprehensive, and the obtained data is more accurate; the signal processing and collecting unit can process the received signals at the same time, has high response speed, can quickly and timely break the internal loosening defect of the transformer, determines the position of a fault point, gives early warning and prevents the fault in the bud.
Preferably, in the multichannel vibration detection and analysis device for the power transformer, the signal processing and collecting unit has 4 filtering frequency bands which are respectively 20Hz to 200Hz, 200Hz to 500Hz, 500Hz to 1500Hz and 1500Hz to 2000 Hz.
Has the advantages that: the vibration signal is conditioned, amplified and filtered by the signal processing and collecting unit and then converted into a digital signal by the high-speed digital-to-analog converter, and a control module in the signal processing and collecting unit can be randomly selected from four frequency bands of 20Hz-200Hz, 200Hz-500Hz, 500Hz-1500Hz and 1500Hz-2000Hz, so that interference signals are effectively removed.
Preferably, in the multichannel vibration detection and analysis device for the power transformer, the energy storage unit is a high-capacity battery with a capacity of 18000-22000 mAh. Selecting a large capacity battery can ensure an operating time period.
Preferably, in the multichannel vibration detection and analysis device for power transformer, the panel assembly further includes: the system comprises a switch, a charging port, an earphone port, an Ethernet port, an antenna and a fan; the switch, the charging port, the earphone port, the Ethernet port, the antenna and the fan are all arranged on the panel; the switch, the charging port and the fan are electrically connected with the energy storage unit; the earphone port, the Ethernet port and the antenna are electrically connected with the signal processing and collecting unit.
Preferably, in the multichannel vibration detection and analysis device for power transformer, the panel assembly further includes: the indicator light is arranged on the panel; the indicator light is electrically connected with the signal processing and collecting unit.
Has the advantages that: the switch is responsible for switching on and off the power supply of the energy storage device and controlling the working state of the device; charging the battery of the energy storage unit through the charging port; the Ethernet port realizes network connection; the antenna can wirelessly transmit the vibration data information; the fan can cool down the device. The device has complete structure and flexible and strong applicability.
Preferably, in the multichannel vibration detection and analysis device for the power transformer, the display screen is a liquid crystal touch display screen. The liquid crystal touch display screen can clearly display the detection data, can realize manual touch operation and has strong flexibility and applicability.
Preferably, in the multichannel vibration detection and analysis device for a power transformer, a protective film is attached to the upper side of the panel. The protection film can protect the panel, has effectively prevented that the panel from causing the damage because of colliding with.
The utility model discloses a multichannel vibration detection and analysis device for a power transformer, which is mainly suitable for the vibration fault detection of the transformer, and the shell of the multichannel vibration detection and analysis device is integrally formed by a mould, is light and has strong anti-falling capability; the device comprehensively applies modern electronic technology, data acquisition technology, graphic display and signal processing technology, diagnoses the internal loosening defect of the transformer by detecting the vibration signals, determines the position of the fault point, has high detection sensitivity and accurate measurement, can analyze the time domain and frequency domain characteristics of the multi-path vibration signals, locks the position of the vibration fault point, finds the loosening defect of the internal parts of the transformer, gives early warning and prevents the transformer from getting ill in the bud.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the panel assembly of the present invention;
fig. 3 is a working principle diagram of the present invention.
Wherein: the device comprises a shell 1, a supporting plate 2, an energy storage unit 3, a signal processing and collecting unit 4, a panel assembly 5, a panel 51, a vibration signal input terminal 52, a USB interface 53, a display screen 54, a switch 55, a charging port 56, an earphone port 57, an Ethernet port 58, an antenna 59, a fan 510 and an indicator lamp 511.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The embodiment of the utility model discloses power transformer multichannel vibration detection analytical equipment mainly is applicable to transformer vibration fault detection, and its shell adopts mould integrated into one piece, and not only light, anti falling ability reinforce install detectivity height moreover, and the measurement is accurate, can analyze multichannel vibration signal time domain and frequency domain characteristic simultaneously, and locking vibration fault point position discovers the not hard up defect of transformer inner part.
A power transformer multichannel vibration detection analytical equipment includes: the device comprises a shell 1, a supporting plate 2, an energy storage unit 3, a signal processing and acquiring unit 4 and a panel assembly 5; wherein:
the supporting plate 2 is fixedly arranged at the bottom end inside the shell 1;
the energy storage unit 3 and the signal processing and acquisition unit 4 are both fixedly arranged on the supporting plate 2; the energy storage unit 3 is electrically connected with the signal processing and collecting unit 4;
the panel assembly 5 includes: a panel 51, a vibration signal input terminal 52, a USB interface 53, and a display 54; the vibration signal input terminal 52, the USB interface 53, and the display screen 54 are all provided on the panel 51; the vibration signal input terminal 52, the USB interface 53 and the display 54 are electrically connected to the signal processing and collecting unit 4;
the vibration signal input terminals 52 are provided in 4; the signal processing and collecting unit 4 simultaneously collects, processes, analyzes and stores signals of the 4 vibration signal input terminals 52.
In order to further optimize the technical scheme, the signal processing and collecting unit 4 is provided with 4 filtering frequency bands which are respectively 20Hz-200Hz, 200Hz-500Hz, 500Hz-1500Hz and 1500Hz-2000 Hz.
In order to further optimize the technical scheme, the energy storage unit 3 is a high-capacity battery with the capacity of 18000-22000 mAh.
In order to further optimize the above solution, the panel assembly 5 further comprises: switch 55, charging port 56, headset port 57, ethernet port 58, antenna 59, fan 510, and indicator light 511; switch 55, charging port 56, earphone port 57, ethernet port 58, antenna 59, fan 510 and indicator light 511 are all disposed on panel 51; the switch 55, the charging port 56 and the fan 510 are all electrically connected with the energy storage unit 3; the earphone port 57, the ethernet port 58, the antenna 59 and the indicator lamp 511 are all electrically connected with the signal processing and acquisition unit 4.
In order to further optimize the above technical solution, the display screen 54 is a liquid crystal touch display screen.
In order to further optimize the above technical solution. A protective film is attached over the panel 51.
The working principle is as follows:
the energy storage unit 3 converts alternating current 220V into direct current 12V and supplies power to the whole device;
the four vibration sensors are respectively connected to four vibration signal input terminals 52 through coaxial cables, vibration signals are filtered and amplified through the signal processing and collecting unit 4, the vibration signals are converted into digital signals through the high-speed digital-to-analog converter after being filtered, an internal control module of the signal processing and collecting unit 4 can be selected at will in four frequency bands of 20Hz-200Hz, 200Hz-500Hz, 500Hz-1500Hz and 1500Hz-2000Hz, interference signals are effectively removed, and the gain and the filtering range of the signals are controlled; meanwhile, the signal processing and collecting unit 4 collects, processes and stores the conditioned signals;
after the data are processed, the discharge waveform display, the numerical value display, the waveform analysis and the report generation are realized through the liquid crystal touch screen; the device is subjected to software operation through the liquid crystal touch screen, and data are exported through the USB port 53; while wirelessly transmitting data to the background system using antenna 59.
The utility model discloses a multi-channel vibration detection and analysis device of a power transformer, which is mainly suitable for detecting the vibration fault of the transformer, and the shell of the device is integrally formed by adopting a mould, so that the device is light and has strong anti-falling capability; the device comprehensively applies modern electronic technology, data acquisition technology, graphic display and signal processing technology, diagnoses the internal loosening defect of the transformer by detecting the vibration signals, determines the position of the fault point, has high detection sensitivity and accurate measurement, can analyze the time domain and frequency domain characteristics of the multi-path vibration signals, locks the position of the vibration fault point, finds the loosening defect of the internal parts of the transformer, gives early warning and prevents the transformer from getting ill in the bud.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (9)
1. A power transformer multichannel vibration detection analytical equipment which characterized in that includes: the device comprises a shell (1), a supporting plate (2), an energy storage unit (3), a signal processing and acquiring unit (4) and a panel assembly (5); wherein:
the supporting plate (2) is fixedly arranged at the bottom end of the interior of the shell (1);
the energy storage unit (3) and the signal processing and acquiring unit (4) are both fixedly arranged on the supporting plate (2); the energy storage unit (3) is electrically connected with the signal processing and collecting unit (4);
the panel assembly (5) comprises: a panel (51), a vibration signal input terminal (52), a USB interface (53), and a display screen (54); the vibration signal input terminal (52), the USB interface (53) and the display screen (54) are all arranged on the panel (51); and the vibration signal input terminal (52), the USB interface (53) and the display screen (54) are electrically connected with the signal processing and collecting unit (4).
2. A power transformer multichannel vibration detection and analysis device according to claim 1, characterized in that said vibration signal input terminal (52) is provided with 4.
3. The multichannel vibration detection and analysis device for the power transformer as recited in claim 2, wherein the signal processing and acquisition unit (4) is used for simultaneously acquiring, processing, analyzing and storing signals of 4 vibration signal input terminals (52).
4. The multichannel vibration detection and analysis device for the power transformer as recited in claim 1, wherein the signal processing and acquisition unit (4) has 4 filtering frequency bands of 20Hz-200Hz, 200Hz-500Hz, 500Hz-1500Hz and 1500Hz-2000Hz respectively.
5. The multichannel vibration detection and analysis device for the power transformer as recited in claim 1, wherein the energy storage unit (3) is a high-capacity battery with a capacity of 18000-22000 mAh.
6. A power transformer multichannel vibration detection and analysis device according to claim 1, characterized in that said panel assembly (5) further comprises: a switch (55), a charging port (56), an earphone port (57), an Ethernet port (58), an antenna (59), and a fan (510); the switch (55), the charging port (56), the earphone port (57), the Ethernet port (58), the antenna (59) and the fan (510) are all arranged on the panel (51); the switch (55), the charging port (56) and the fan (510) are electrically connected with the energy storage unit (3); the earphone port (57), the Ethernet port (58) and the antenna (59) are electrically connected with the signal processing and acquiring unit (4).
7. A power transformer multichannel vibration detection and analysis device according to claim 1, characterized in that said panel assembly (5) further comprises: an indicator light (511), the indicator light (511) being provided on the panel (51); the indicator light (511) is electrically connected with the signal processing and collecting unit (4).
8. The multichannel vibration detection and analysis device for the power transformer as recited in any one of claims 1 to 7, wherein the display screen (54) is a liquid crystal touch display screen.
9. The multi-channel vibration detection and analysis device for the power transformer as claimed in claim 8, wherein a protective film is attached on the panel (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921946945.7U CN210922835U (en) | 2019-11-12 | 2019-11-12 | Power transformer multichannel vibration detection and analysis device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921946945.7U CN210922835U (en) | 2019-11-12 | 2019-11-12 | Power transformer multichannel vibration detection and analysis device |
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| CN210922835U true CN210922835U (en) | 2020-07-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362157A (en) * | 2020-11-03 | 2021-02-12 | 苏州豹驰声学科技有限公司 | Portable multichannel vibration noise tester |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362157A (en) * | 2020-11-03 | 2021-02-12 | 苏州豹驰声学科技有限公司 | Portable multichannel vibration noise tester |
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